From ca75d50d34e610ca7abd19f12e1d3231d296c660 Mon Sep 17 00:00:00 2001
From: Me0wo <152751263+Sn0wo2@users.noreply.github.com>
Date: Fri, 26 Sep 2025 02:23:20 +0800
Subject: [PATCH] fix(config): preserve blank lines when saving

---
 .../ccyaml/configuration/yaml/YamlConfiguration.java        | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/cn/chengzhimeow/ccyaml/configuration/yaml/YamlConfiguration.java b/src/main/java/cn/chengzhimeow/ccyaml/configuration/yaml/YamlConfiguration.java
index a0f8314..758dcaa 100644
--- a/src/main/java/cn/chengzhimeow/ccyaml/configuration/yaml/YamlConfiguration.java
+++ b/src/main/java/cn/chengzhimeow/ccyaml/configuration/yaml/YamlConfiguration.java
@@ -242,10 +242,14 @@ private boolean isNotNullAndEmpty(@Nullable Collection<?> collection) {
         List<CommentLine> lines = new ArrayList<>();
         for (String comment : comments) {
             // null 或空字符串表示一个空行注释
+            if (comment == null) {
+                lines.add(new CommentLine(null, null, "", CommentType.BLANK_LINE));
+                continue;
+            }
             lines.add(new CommentLine(
                     null,
                     null,
-                    comment == null ? "" : " " + comment,
+                    " " + comment,
                     commentType
             ));
         }